19 documented faults
Engine & fuel system
6 documented faults — symptoms, causes and workshop fixes.
Vibration through vehicle when engine idling and AC compressor cutting in and out.
All models with 306DT engine code: Discovery 4: VIN AA510178→. Range Rover Sport: VIN AA212145→.
Engine control module (ECM) software fault.
Workshop instructions
Workshop procedure
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program engine control module (ECM) with upgraded software.
Data: Motorwise Workshop. Bulletin 6.
Lack of power.
All models with 306DT engine code: Discovery 4: VIN AA510178-AA521884. Range Rover Sport: VIN AA212145-AA226173.
Workshop instructions & parts1 part
Workshop procedure
- Fit new turbocharger (TC) vane position actuator.
| Part | Part number | Qty |
|---|---|---|
| Turbocharger (TC) vane position actuator | LR020588 | 1 |
Data: Motorwise Workshop. Bulletin 8.
Loss of engine power when ambient air temperature is below 0°C.
All models with 306DT/448DT engine codes: Discovery 4: VIN AA510178→. Range Rover: VIN BA334433→. Range Rover Sport: VIN AA212145→.
What you'd notice
Message centre displays 'restricted performance'. Trouble codes related to engine management stored in fault memory.
The repair
Frozen turbocharger (TC) intercooler resulting in restricted air flow to intake system.
Workshop instructions
Workshop procedure
- Block off lower section of turbocharger (TC) intercooler using a suitable blanking piece.
Data: Motorwise Workshop. Bulletin 9.
Engine malfunction indicator lamp (MIL) illuminated.
All models with 306DT engine code, 2011.
What you'd notice
Lack of power.
The repair
Turbocharger (TC) wastegate regulating valve vacuum pipe 'T' piece blocked.
Workshop instructions & parts1 part
Workshop procedure
- Renew all 'T' pieces in TC wastegate regulating valve vacuum pipe Fig.1201536.1 .
- View View more information
| Part | Part number | Qty |
|---|---|---|
| 'T' piece | LR029415 | 5 |
Data: Motorwise Workshop. Bulletin 13.
Engine malfunction indicator lamp (MIL) illuminated. Trouble code stored: P242D-00.
All Euro V emission level models with 3.0 Diesel engine, 2010-13.
What you'd notice
Lack of power.
The repair
Engine control module (ECM) software fault.
Workshop instructions
Workshop procedure
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program engine control module (ECM) with upgraded software.
Data: Motorwise Workshop. Bulletin 14.
Lack of power. Trouble code stored in engine control module (ECM) fault memory: P2452.
All models with 3.0 Diesel engine, VIN DA652215-DA699715.
Engine control module (ECM) software fault.
Workshop instructions
Workshop procedure
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program ECM with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 15.
Electrical & ignition
2 documented faults — symptoms, causes and workshop fixes.
TPMS warning lamp illuminated.
All models: Discovery 4: VIN LA510178→. Range Rover: VIN LM302697→. Range Rover Sport: VIN LS212145→.
What you'd notice
TPMS warning message displayed in multifunction display. Trouble codes related to TPMS stored in fault memory.
The repair
Signal interference from alternator.
Workshop instructions & parts1 part
Workshop procedure
- Fit modified TPMS sensors.
| Part | Part number | Qty |
|---|---|---|
| TPMS sensor | LR031713, or LR031712 | 5 |
Data: Motorwise Workshop. Bulletin 3.
Intermittent self-activation of alarm system siren.
All models.
What you'd notice
Audible warning sounds when locking vehicle. Bonnet open warning message displayed in instrument panel.
The repair
Bonnet switch faulty.
Workshop instructions & parts1 part
Workshop procedure
- Fit new bonnet switch. Bonnet switch integral to bonnet latch.
| Part | Part number | Qty |
|---|---|---|
| Bonnet switch | LR054331 | 1 |
Data: Motorwise Workshop. Bulletin 12.
Brakes
3 documented faults — symptoms, causes and workshop fixes.
Hesitation when accelerating at low vehicle speed.
All models with 276DT/306DT/368DT engine codes: Discovery 4: VIN AA513326→. Range Rover Sport: VIN AA215623→.
Brake pedal position (BPP) switch incorrectly adjusted.
Workshop instructions
Workshop procedure
- Check adjustment of brake pedal position (BPP) switch.
Data: Motorwise Workshop. Bulletin 2.
Excessive heat build up in rear brakes.
All models with electric parking brake (EPB): Discovery 3: VIN 5A000259→. Discovery 4: VIN AA513326→. Range Rover Sport: VIN 5A900106→.
What you'd notice
Electric parking brake (EPB) warning lamp illuminated. Squeal from rear brakes when driving. Squeal from rear brakes when electric parking brake (EPB) is operated. Trouble codes stored: C1A43, C1A53, C1A46.
The repair
Parking brake shoes binding. Parking brake shoes seizing due to build up of debris. EPB control module software fault.
Workshop instructions
Workshop procedure
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- Ensure parking brake shoes are correctly adjusted.
- If no fault(s) found: Re-program EPB control module with upgraded software.
Data: Motorwise Workshop. Bulletin 7.
Front brake judder.
All models: Discovery 4: VIN AA513326-AA555717. Range Rover Sport: VIN AA215623-AA276763.
Front brake disc distortion.
Workshop instructions
Workshop procedure
- Fit new front brake discs.
- Check front brake disc runout. If front brake disc runout is greater than 0.03 mm: Remove front brake discs. Check front hub runout. If front hub runout is greater than 0.014 mm: Replace front hubs. Fit front brake discs.
- Fit modified front brake pads.
Data: Motorwise Workshop. Bulletin 10.
Suspension & drivetrain
1 documented fault — symptoms, causes and workshop fixes.
Knocking noise from front suspension when driving over uneven surfaces.
All models.
Workshop instructions & parts1 part
Workshop procedure
- Replace front suspension lower arm rear bush on both sides.
- Check front wheel alignment and adjust if necessary.
| Part | Part number | Qty |
|---|---|---|
| Suspension lower arm rear bush | LR067494 | 2 |
Data: Motorwise Workshop. Bulletin 16.
Steering
4 documented faults — symptoms, causes and workshop fixes.
Squeaking noise from steering column when steering wheel turned.
All models, VIN 000259-485435.
Insufficient lubrication of power steering rack pinion oil seal.
Workshop instructions & parts1 part
Workshop procedure
- Remove power steering rack.
- Fit new power steering rack pinion oil seal. Use special tool: 308-518 .
- Refit power steering rack.
| Part | Part number | Qty |
|---|---|---|
| Power steering rack pinion oil seal kit | LR010545 | 1 |
Data: Motorwise Workshop. Bulletin 1.
Non start.
All models, 2010 MY: Discovery 4: VIN AA528400-AA539400. Range Rover Sport: VIN AA235080-AA248600.
What you'd notice
Message centre displays 'steering column locked'. Trouble codes stored: B1026-12, B100D-87.
The repair
Instrument panel faulty.
Workshop instructions
Workshop procedure
- Fit modified instrument panel.
Data: Motorwise Workshop. Bulletin 5.
Steering wheel vibration when driving.
All models, VIN AA513326→.
Flat spot on tyre. Wheels out of balance. Front suspension lower arm bush faulty. Power steering rack faulty. Defective steering wheel.
Workshop instructions
Workshop procedure
- Check tyre condition, tyre pressure and wheel balance.
- If fault still present: Fit new front suspension lower arm bushes. Fit new power steering rack. Fit modified steering wheel.
Data: Motorwise Workshop. Bulletin 11.
Steering heavy.
All models.
What you'd notice
Noise from steering column when driving over uneven surfaces or when manoeuvring or parking.
The repair
Water ingress into steering column lower universal joint causing corrosion.
Workshop instructions & parts2 parts
Workshop procedure
- Fit new steering column lower shaft.
| Part | Part number | Qty |
|---|---|---|
| Steering column lower shaft - RHD | LR071146 | 1 |
| Steering column lower shaft - LHD | LR071147 | 1 |
Data: Motorwise Workshop. Bulletin 17.
Air conditioning & heating
1 documented fault — symptoms, causes and workshop fixes.
AC/heater outlet air temperature does not correspond to setting.
All models.
Poor sealing of in-car temperature sensor air intake ducting allowing air to escape.
Workshop instructions & parts1 part
Workshop procedure
- Remove in-car temperature sensor air intake ducting assembly.
- Fit foam pad to in-car temperature sensor air intake ducting. Ensure foam pad covers edges of air intake ducting Fig.1267516.1 .
- Refit in-car temperature sensor air intake ducting assembly.
- View View more information
| Part | Part number | Qty |
|---|---|---|
| Foam pad | ETD 500550 | 1 |
Data: Motorwise Workshop. Bulletin 19.
Body & trim
1 documented fault — symptoms, causes and workshop fixes.
Clock cannot be set to correct time.
All models with analogue clock: Discovery 4: VIN 510178-525032. Range Rover Sport: VIN 212145-230615.
Multifunction control module software fault.
Workshop instructions
Workshop procedure
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program multifunction control module with upgraded software.
Data: Motorwise Workshop. Bulletin 4.
Other
1 documented fault — symptoms, causes and workshop fixes.
Cracking noise from left hand speakers in DAB mode.
All models with digital audio broadcast (DAB) audio unit.
Digital audio broadcast (DAB) control module software fault.
Workshop instructions
Workshop procedure
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program digital audio broadcast (DAB) control module with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 18.
Take it with you
Before you view one
Land Rover Discovery 4 Discovery 3 SDV6/TDV6 (2009–2013)
Each documented fault as a quick check for a viewing or test drive — tick them off as you go.
A little workshop vocabulary
Workshop terms used on this page
Definitions for the technical language used in these bulletins.
- ECM
- Engine control module — the car's engine computer
- VIN
- Vehicle identification number — 17 characters, found at the base of the windscreen and on the V5C logbook
- Trouble Codes
- Standardised fault codes stored by the engine computer, read with a diagnostic tool
- BPP
- Brake pedal position — the switch behind the pedal that triggers the brake lights
- DAB
- Digital audio broadcast — digital radio
- EPB
- Electric parking brake — an electronic handbrake, operated by a switch rather than a lever
- TC
- Turbocharger — the exhaust-driven compressor that boosts engine power
- TPMS
- Tyre pressure monitoring system — warns if a tyre is under-inflated
- Actuator
- A motor or solenoid that moves a mechanical part on command
- Control Module
- A computer that runs one of the car's systems (engine, gearbox, brakes, body, and so on)
- Disc Runout
- How much a brake disc wobbles; too much causes vibration or squeal
- Fault Memory
- The list of stored trouble codes in a control module
- In-Car Temperature
- The cabin-temperature sensor used by the climate control
- Instrument Panel
- The dashboard display that shows warning lights and messages
- Intercooler
- A radiator that cools the air coming out of the turbocharger before it enters the engine
- Limp Home
- A safety mode that cuts power so you can crawl to a workshop
- Message Centre
- The information display in the instrument panel that shows warning messages
- Multifunction Control Module
- The body computer that runs shared electrical functions (lights, wipers, locking, and so on)
- Pinion Oil Seal
- The seal on a differential pinion shaft — a common source of oil leaks
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Steering Column Locked
- The electronic steering lock has engaged — the column will not turn until the key is recognised
- Wastegate Regulating Valve
- The valve that controls the turbocharger's wastegate, and so the boost pressure
- Alternator
- The unit that charges the battery while the engine is running
- Bonnet Switch
- The switch that tells the alarm whether the bonnet is open
- Bush
- A rubber mounting that lets a suspension or body joint move without metal-to-metal contact
- Bushes
- Rubber mountings that let a suspension or body joint move without metal-to-metal contact
- Lower Arm
- A suspension link that locates the wheel at the bottom of the hub
- Universal Joint
- A flexible coupling in a driveshaft that lets it bend as the suspension moves
Common questions
Using this guide.
What are the common faults with the Land Rover Discovery 4 Discovery 3 SDV6/TDV6?
Garages and workshops regularly encounter 19 documented faults on the Land Rover Discovery 4 Discovery 3 SDV6/TDV6 — six concern the engine and fuel system and four the steering. Each fault above lists the symptoms, cause, fix and any parts needed.
Does every Land Rover Discovery 4 Discovery 3 SDV6/TDV6 have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual car. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Land Rover Discovery 4 Discovery 3 SDV6/TDV6 faults when viewing one?
Many of them, yes — the documented symptoms are things you can see, hear or feel on a viewing or test drive. The 'Before you view one' checklist above turns each documented fault into a quick check you can tick off as you go.